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Acrel ARD2M Operating Manual

Motor protector
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ARD2M
Motor Protector
Operating
V1.1
Manual
ACREL Co., Ltd

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Summary of Contents for Acrel ARD2M

  • Page 1 ARD2M Motor Protector Operating V1.1 Manual ACREL Co., Ltd...
  • Page 2 Declaration All rights reserved. Without the written permission of the Company, the contents of any paragraph or section in this manual shall not be copied, copied or disseminated in any form. Otherwise, all consequences shall be borne by the violator. Our company reserves all legal rights.

  • Page 3: Table Of Contents

    Catalog 1 Overview....................1 2 Product Features..................1 3 Model Description..................2 4 Main parameters..................3 5 Overall dimensions and installation............5 6 Protection function description..............9 7 Function setting and description.............24 8 Communication Settings and instructions..........37 9 Features and Functions................69 10 Examples of ordering................70...

  • Page 4: Overview

    1 Overview The ARD2M motor protector (hereinafter referred to as the protector) is suitable for low-voltage motor circuits with rated voltage up to 380V and integrates protection, measurement, control, communication, operation and maintenance.Its perfect protection function ensures the safe operation of the motor, with logic programmable function, can meet a variety of control methods.

  • Page 5: Model Description

    Display module (Table 2) Current Specification(Table 1) Design serial number Enterprise code The corresponding relation between ARD2M current specification and the rated current and power of the applicable motor is shown in Table 1: Table 1 Protector Primary side coil...

  • Page 6: Main Parameters

    Leakage transformer is equipped with 2m ± 10cm secondary line as standard. If you need other length, please contact the manufacturer. 4 Main parameters Technical indicators ARD2M technical indicators are shown in Table 3: Table 3 Technical parameters Technical indicators...
  • Page 7 Starting timeout √ Phase loss √ Voltage unbalance √ Current unbalance √ Locked-Rotor √ underload √ External fault √ Block √ Temperature protection(PTC/NTC) √ Residual current(One grounding √ only) leakage √(leakage) Phase sequence √ Under voltage √ Over voltage √ Under power √...

  • Page 8: Overall Dimensions And Installation

    5 Overall dimensions and installation 5.1 Composition The product composition of ARD2M is shown in Figure 1, Figure 2: Figure1 The composition of integrated protector Figure2 The composition of split protector 5.2 Panel size and opening(Unit:mm) The shape and opening size are shown in Figure3,4::...
  • Page 9 Front view Side view Vertical view Hole size Figure 4 Panel size of split protector ARD2M 5.3 Size of installation of current transformer(unit:mm) 5.3.1 The external dimensions of Integrated/split current transformer(100A and below current specification)are shown in figure 5(Unit:mm): Figure 5 The external dimensions of Integrated/split current transformer(100A and below current...
  • Page 10 5.3.2 The external dimensions of split current transformer(250A and 800Acurrent specification)are shown in figure 6(Unit:mm): Figure 6 The external dimensions of split current transformer(250A and 800Acurrent specification) 5.3.3The external dimensions of leakage current transformer are shown in figure 7 and table 5(Unit:mm): Figure 7 The external dimensions of leakage current transformer The leakage transformer is equipped with a secondary wire of 2m±10cm.
  • Page 11 5.4 Terminal The wiring terminal arrangement of the ARD2M main body is shown in Figure 8 94 96 95 97 98 11 12 15 16 17 18 19 20 21 23 30 25 D I 1 D I 2 D I 3 D I 4 D I 5 D I 6 D I 7 D I 8...

  • Page 12: Protection Function Description

    communication T1(PTC input A) Temperature protection (thermistor input) T2(PTC input B) IO*leakage current input Leakage current input Ia Phase current input Ib Phase current input Ic Phase current input 6 Protection function description The default action stages of each protection are shown in Table Table 7 Default active Protection type...
  • Page 13 Tripping delay(S)tolera Three - phase balanced load, starting from the cold state nce ±10% Rated value 1000 Ie×1.2 ×1.5 ×2 ×3 ×4 2.26 4.52 6.78 11.3 22.5 33.8 56.3 67.5 78.8 ×5 1.44 2.88 4.32 14.4 21.6 28.8 43.2 50.4 57.6 ×6 ×7.2...
  • Page 14 Note: Imax:Maximum three-phase current Is:Overload starting fixed value Heat:Percentage heat capacity Hs:Heat capacity alarm value TS:Starting shield time tE Time protection For the increased safety type motor, after the ac winding reaches the rated operating stable temperature at the highest ambient temperature, the time required from the beginning of passing through the blocking current until it rises to the limit temperature is tE time.The tE time of the increased safety motor is usually provided by the motor manufacturer, and the user can find this data on the motor nameplate.
  • Page 15 3.00 3.20 6.91 10.37 13.83 17.29 20.75 27.67 34.59 41.51 51.88 3.40 6.08 9.13 12.17 15.22 18.26 24.35 30.44 36.52 45.66 3.60 5.43 8.14 10.86 13.58 16.29 21.72 27.16 32.59 40.74 3.80 7.35 12.25 14.7 19.6 24.5 29.41 36.76 4.00 4.46 6.69 8.93...
  • Page 16 Note: Imax:Maximum three-phase current In:Rated current Heat:Percentage heat capacity Hs:Heat capacity alarm value 6.2 Start timeout protection When the starting time of the motor reaches the starting time set by the user, the average three-phase current does not drop below the set tripping threshold, trigger the starting timeout protection, issue tripping command, and stop the motor operation.For the increased safety motor, the starting time setting shall not exceed 1.7 times tE time.
  • Page 17 Note: Iav:Three-phase mean current Is1:Alarm action threshold Is2:Tripping threshold Ts1:Alarm action delay time Ts2:Delay time of trip action 6.4 Blocking protection During the operation of the motor, if the motor shaft is stuck due to excessive load or mechanical reasons, and the fault is not removed in time, the motor will be overheated and the insulation will be reduced and the motor will be burned out.The blocking protection is applicable to protect the motor when such faults occur in the running stage.
  • Page 18 6.5 Underload protection The protector provides underload protection when the motor is loaded with pumping load. When the average three-phase current is lower than the set value, the protector should trip or alarm within the set time. Note: Iav: Three-phase mean current Is1: Alarm action threshold Is2: Tripping threshold Ts1: Delay time of alarm action...
  • Page 19 6.7 Overload protection In addition to reverse Overload protection, the protector can also provide time-limit overload protection. When the percentage of three-phase average current and rated current is greater than the set value, the protector should trip or alarm within the set time. Note: Iav: Three-phase mean current Is1: Alarm action threshold...
  • Page 20 6.9 Ground fault protection The protector is protected by the ground current according to the three-phase current vector and the calculation of the ground current.The grounding protection can set the starting shielding time. After the starting shielding time, when the grounding current is greater than the set value, the action logic can choose the breaker or breaker or alarm.
  • Page 21 Is2: Tripping threshold Ts1: Shield time for leakage starting Ts2: Delay time of alarm action Ts3: Delay time of trip action 6.11 I unbalance protection The protector calculates the current imbalance degree. When the three-phase current imbalance degree is greater than the set value, it will trip or alarm within the set time.The calculation formula of current imbalance degree is as follows: Imax(min) Where, Iuf is the current imbalance, Imax is the maximum current, Imin is the minimum...
  • Page 22 Note: Uuf: Voltage imbalance degree Us1: Alarm action threshold Us2: Trip action threshold Ts1: Delay time of alarm action Ts2: Delay time of trip action 6.13 Phase fail protection When the phase fault runs, it will do great harm to the motor. When the maximum current is greater than 20% rated current and the minimum current is less than 5% rated current, or when the imbalance degree of three-phase current is greater than 30%, the fault protection will trip or alarm within the set time.
  • Page 23 Note: Angle: The Angle between any two - phase voltage Ts1: Delay time of alarm action Ts2: Delay time of trip action 6.15 Overvoltage protection Excessive voltage will cause damage to the insulation of the motor. When the maximum line voltage of the motor exceeds the set value, the protector will trip or alarm within the set time.
  • Page 24 Us2: Trip action threshold Ts1: Delay time of alarm action Ts2: Delay time of trip action 6.17 Short circuit protection When the motor current exceeds the set value, the protector will switch circuit breaker or alarm within the set time.The short circuit protection is divided into two stages: starting and running.
  • Page 25 Note: R: Check the temperature resistance Rs1: Alarm action temperature resistance value Rs2: Resistance value of tripping action temperature Ts1: Delay time of alarm action Ts2: Delay time of trip action The temperature protection can be reset manually or automatically.When "Automatic" is selected, the protector will reset automatically after the temperature protection trip when the resistance value is detected to be less than the set return resistance value.When "manual"...
  • Page 26 Note: Imax: Maximum current Is1: Overflow current 6.21 Number of starts protection The motor is easy to be damaged due to frequent starting and cutting in a short time.When the remaining starting number of the motor is 0 within the set time, the protector sends an alarm signal.

  • Page 27: Function Setting And Description

    7 Function setting and description 7.1 The display module and LED indicator light are shown in Table10: Table 10 Serial Name State Function Description Manual mode, two-part mode, two-speed Start 1 button press mode, star triangle operation start 1 relay Operate and start the 2 relay in manual mode Start 2 button press...
  • Page 28 7.2 Display module introduction 7.2.1 Data display interface After the protector is powered on, it enters the data display interface. Press " " and" "to scroll through the current, voltage, DI/DO state and other information. The specific display content is shown in Figure 16 (the figure below shows the display value in the stopped state) 0.000kW 0.000kvar 0.0V...
  • Page 29 12 shows an example of how to modify the control authority: Figure 12 Shows the operation diagram of Ethernet communication parameters 7.3 Menu description See Table 11 for the ARD2M menu: Table 11 Serial Default...
  • Page 30 —— —— —— voltage Voltage —— —— —— phase Angle Other electrical —— —— —— parameters Alarm —— —— —— —— information Fault —— —— —— —— record Running time of this —— —— —— time Stop time of —— ——...
  • Page 31 250~800 Rated power 0.12-999kW —— Connection 1P2L、3P3L、3P4L —— 3P4L mode 1Aspec.:1-5000 CT ratio —— 5Aspec.:1-1000 Protection Fundamental wave Full wave —— selection value, full wave value value ADD 1 1-247 1200、2400、4800、 Baud rate1 9600 9600、19200、38400 Check digit 1 None/2stop/Odd/Even None Modbus ADD 2 1-247...
  • Page 32 1、2、3、5、10、 Trip level 15、20、25、30、 Class 35、40 2、3、4、5、6、8、 tE Trip level Class 10、12、15 Start setting 100~800% Off/ Reset method Inverse time overload Cooling time 0-30min 1min Alarm threshold 1-99% Starting screen 0-25.0s 0.5s time Alarm:allowed/forbid Allow Alarm, trip allowed Trip:allowed/forbidde Allow Alarm threshold 10-99% Trip threshold...
  • Page 33 Transformer Yes/No requirements Grounding 20-100% alarm threshold Grounding trip 20-100% threshold Grounding trip 0.1-600.0s 0.1s delay Circuit breaker / Circuit Trip mode contactor breaker Grounding starting screen 0.0-25.0s 0.0s time Ground fault Current leakage protection 100-1000mA 200mA alarm threshold Current leakage 100-1000mA 300mA trip threshold...
  • Page 34 Trip delay 0.1-600.0s 5.0s Alarm:allowed/forbid Allow Alarm, trip allowed Trip:allowed/forbidde Allow action 100%-200% 110% threshold Timeout time 0.1-600s 10.0s Start Alarm:allowed/forbid timeout Allow Alarm, trip allowed Trip:allowed/forbidde Allow Timeout Time 1-10 quantity Time range 10-300min 30min Start times Alarm:allowed/forbid Allow Alarm, trip allowed Trip:...
  • Page 35 forbidden owed/forb idden Trip:allo Trip:allowed/for Forbidden wed/forbi bidden dden Alarm threshold 100-700% 150% Trip threshold 100-700% 250% Trip delay 0.1-600.0s 5.0s Over power Alarm:allowed/forbid Forbidden Alarm, trip allowed Trip:allowed/forbidde Forbidden Alarm threshold 0-100% Trip threshold 0-100% Trip delay 0.1-600.0s 5.0s under-power Alarm:allowed/forbid Forbidden...
  • Page 36 Display unit、 localization、 Control Control access communication、 All control access remote、1 in 3、 1 in 2、all control Protection mode, manual mode, two-step mode, Protected Start mode two-speed mode, mode Start method star triangle, auto-step-down start1delay 0.1-600 Self start mode recover/start start Self start delay 0.1~600...
  • Page 37 15-single point 1 start/stop, 16-single point 2 start/stop, 17-control over 1, 18-control over 2 Ditto Start1 Ditto Start2 Ditto Urgent Stop Ditto Reset control Ditto right 1 control Ditto right 2 External Ditto fault Normally Normally DO1 type on/normally off 0-No input, 1-star 1, 2-start 2,3-start3, 4-parking,5-starting...
  • Page 38 reset signal output,17-protected mode have nowhere electricity output 1,18-protected mode electricity output 2,19-logic diagram output 1,20-logic diagram output 2, 21-logic diagram output 3, 22-30 corresponding DI1-9 control the DO output Pulse time 0.3-25.0s 0.0s Ditto start2 Ditto alarm Ditto trip Ditto trip Close;DI1-19;DO1 -...
  • Page 39 logic logic/Reserve logic logic Input C 0.0-60.0s 0.0s delay Input D Ditto definition Input D Positive Positive logic logic/Reserve logic logic Input D 0.0-60.0s 0.0s delay Input E Ditto definition Input E Positive Positive logic logic/Reserve logic logic Input E 0.0-60.0s 0.0s delay...

  • Page 40: Communication Settings And Instructions

    Each byte bit: 1 bit start, 8 bit data (least significant bit sent first), no parity, 1 bit stop MODBUS function code supported by ARD2M: 01 (0x01) Function code: Read coil state (relay output DO, address 0 corresponds to DO1)
  • Page 41 01 01 00 00 00 05 FC 09 Return data frame 01 01 01 0C 51 8D Example 3: Register read using the 03 or 04 function: read 01 ARD2M and read 3 data from address 00 Check data frame...
  • Page 42 Example 6: Write register with 16 function: output DO2 of 01 ARD2M.The indicating register address of switch input/output state is 0013H, bit 0-9 corresponds to Di1-10, bit 10 corresponds to DO6, and bit 11-15 corresponds to DO1-5. Check data frame...
  • Page 43 B Phase fundamental actual value word current C Phase fundamental word current Fundamental 0～1999.9V word line voltage Fundamental 0～1999.9V word line voltage Fundamental 0～1999.9V line voltage leakage current 30-3000mA Phase effective word current 0-65535/current scaling Phase effective factor is the actual word current value...
  • Page 44 difference Phase voltage phase Angle 0-359.9° difference CA Phase voltage phase Angle 0-359.9° difference 437-4 Reserved High byte 32 bit signed number, fundamental High byte before, low word wave Total active byte after power Unit:W Byte word High 32 bit signed number, byte High byte before, low fundamental...
  • Page 45 word High byte 32 bit signed number, fundamental wave B High byte before, low word phase active byte after Unit:W byte word High 32 bit signed number, byte High byte before, low fundamental wave C word byte after phase active Unit:W byte word...
  • Page 46 wave phase High byte before, low byte apparent byte after word Unit:VA byte word High 32 bit signed number, byte High byte before, low Total fundamental word byte after wave active power Unit:W byte word High 32 bit signed number, byte High byte before, low word...
  • Page 47 Unit:W byte word High 32 bit unsigned number, byte Full wave C phase High byte before, low word active byte after Unit:W byte word High 32 bit unsigned number, byte word Full wave A phase High byte before, low reactive byte after Unit:var byte...
  • Page 48 word Fundamental wave -1.000~1.000 word power factor Fundamental wave A -1.000~1.000 word phase power factor Fundamental wave B -1.000~1.000 word phase power factor Fundamental wave C -1.000~1.000 word phase power factor Full wave power -1.000~1.000 word factor Full wave A phase -1.000~1.000 word power factor...
  • Page 49 relay 4, Bit4 relay 5, Bit5 relay 6 DI/DO TYPE 0-DC type；1-AC type bit0 readiness; bit1 Stopping; bit2 start; bit3 operation; bit4 MOTOR STATE word alarm; bit5 tripping; bit7 0- Low speed 1- High speed Bit0 reverse time limit overload tripping; Bit1 grounding tripping;...
  • Page 50 Bit0 anti-time overload alarm; Bit1 ground alarm; Bit2 underload alarm; Bit3 fault phase alarm; Bit4 undervoltage alarm; Bit5 overvoltage alarm; Bit6 blocking alarm; Bit7 blocking alarm; Bit8 current imbalance Alarm fault alarm; word indication 1 Bit9 PTC temperature alarm; Bit10 external fault alarm;...
  • Page 51 Latest Fault Record 2100 、 2150 、 2200 、 Communication word 2250 、 2300 、 2350 、 Address 2400 、 2450 Latest DI Change 1100 、 1108 、 1116 、 Record 1124 、 1132 、 1140 、 word Communication 1148 、 1156 Address Latest Starting 1300 、...
  • Page 52 operation information Event record clear Write data 0xa5b5 word 1.6、6.3、25.0、100.0、 Current 250.0、800.0、1.0、5.0 word Current proportional 1、10、100 factor 1-Stop、2-Start 1、3- Operational control Start 2、4-Emergency word bits stop、5-resei Restore factory Write data 0xFFFF word setting Input Mark of Residual Current 0 not input，1 input word Transformer Base Wave Switch...
  • Page 53 v,4-Uab,5-Ubc,6-Uca,7 -Uav,8-PTC,9-Heat capicity,10-P,11-F word Full value 2 times rated current 623-6 reserve word LCD version word LCD NO. word Main body version word Main body NO. word Bit0 reverse time limit overload tripping; Bit1 grounding tripping; Bit2 underload tripping Bit3 disconnection; Bit4 undervoltage release;...
  • Page 54 protection tripping; Bit3 starting times tripping. Bit0 anti-time overload alarm; Bit1 ground alarm; Bit2 underload alarm; Bit3 fault phase alarm; Bit4 undervoltage alarm; Bit5 overvoltage alarm; Bit6 blocking alarm; Bit7 blocking alarm; Bit8 current imbalance Alarm alarm; word allowed/forbidden 1 Bit9 PTC temperature alarm;...
  • Page 55 time Overload alarm 1-99% word threshold Overload starting protection screen 0-25.0 word time Ground fault alarm 20%-100% threshold Ground fault trip 20%-100% threshold Ground fault 0.1～600.0s word protection delay Bit(0- circuit breaker 1- Trip mode word contactor) Ground fault starting 0-25.0 word screen time...
  • Page 56 Locked-rotor trip 0.1～600.0s word delay Blocking alarm 100～700% threshold Blocking trip 100～700% threshold Blocking trip delay 0.1～600.0s word Current unbalance 10～99% alarm threshold Current unbalance 10～99% trip threshold Current unbalance 0.1～600.0s word trip delay NTC /PTC 0 NTC，1PTC Temperature alarm 100～30000 threshold Temperature trip...
  • Page 57 Short-circuit trip threshold when 400%～800% running Short-circuit trip 0.1～600.0s word delay Fixed time limit overload alarm 100-800% word threshold Fixed time limit overload trip 100-800% threshold Fixed time limit 0.1～600.0s word overload trip delay Voltage unbalance 10～99% alarm threshold Voltage unbalance 10～99% trip threshold Voltage unbalance...
  • Page 58 High speed trip level High speed tE trip level High speed inverse time protection start setting High speed inverse time protection set method High speed inverse time protection cooling time High speed inverse time protection alarm threshold High speed starting screen time High speed underload alarm...
  • Page 59 High speed start timeout time High speed over power alarm threshold High speed over power trip threshold High speed over power trip delay High speed under power alarm threshold High speed under power trip threshold High speed under power trip delay High speed short-circuit alarm threshold when...
  • Page 60 0-Panel ； 1-Native ； 2-Comm ； 3-Remote ； Control access word 4-1 in 3 ； 5- 1 in 2 ； 6-all control 0- Comm ； 1- Native ； 1 in 3 permission 2- Panel ； 3-Stop ； word output1 4-Remote default is 0 0- Comm ；...
  • Page 61 2-start 2, 3-start 3, 4-parking, 5-starting jumped contactor, 6-circuit breakers, 7-fault Alarm output, 8-tripping fault output,9-the output state stopped, 10-the starting state output, 11-the output operation state, 12-the communication control output,13-the output device self-checking, 14-the device output power, 15-nowhere electric process output chain, 16-electric reset signal output, 17-protected mode have...
  • Page 62 DO3 Programmable word DO3 action word setting(time) As same as DO3 trip setting1 word DO1(951-956) DO3 trip setting2 word DO3 alarm setting1 word DO3 alarm setting2 word DO4 Programmable word DO4 action word setting(time) As same as DO4 trip setting1 word DO1(951-956) DO4 trip setting2...
  • Page 63 start/stop, 16-single point 2 start/stop, 17-control over 1, 18-control over 2 DI2 programmable word setting DI3 programmable word setting DI4 programmable word setting DI5 programmable word setting ditto DI6 programmable word setting DI7 programmable word setting DI8 programmable word setting DI9 programmable word setting...
  • Page 64 Low-byte:0-Close;1-9 correspond to DI1-19;17-21 correspond to DO1 - DO6;27-Starting 1;28-Starting 2;29-Starting 3;30-Stop,31-Emergenc y shutdown;32-Stop 1004 Input A state;33-Starting word state;34-Running state;35-Alarm status;36-Trip status;49-80 correspond to trip type;81-112 correspond to alarm types High byte:0- Logical,1-illogical 1005 Input B word 1006 Input C word As same as 1004 1007...
  • Page 65 (address:1003~1013) 1027 Input B word 1028 Input C word 1029 Input D word Input E 1030 word 1031 Input A relay word 1032 Input B relay word 1033 Input C relay word 1034 Input D relay word 1035 Input E relay word 1036- Reserve...
  • Page 66 1132- 1139 1140- 1147 1148- 1155 1156- 1163 1164- Reserve 1259 0-External start 1-Comm 2-Native 1300 Start position 3-Panel 4-Remote 5-Self-start 6-Restart Maximum current 1301 Unit:1% when starting Minimum voltage 1302 Unit:1% when starting 1-stop when starting 1303 Result of starting 2-go into running status 3-go into trip status High byte:year,low...
  • Page 67 1499 0-External stop 1-Comm 2-Native 1500 Stop position 3-Panel 4-Remote 5-Emergency stop 6-Voltage loss stop Action 1time-year High byte:year,low 1501 month byte:month Action 1time-day High byte:day,low 1502 hour byte:hour Action 1time-minute High byte:minute,low 1503 second byte:second 1504- reserve 1507 1508- 1515 1516- 1523...
  • Page 68 second byte:second 1707 reserve 1708- 1715 1716- 1723 1724- 1731 1732- ditto ditto 1739 1740- 1747 1748- 1755 1756- 1763 1804- reserve 1899 Change time-year 1900 month Change time-day 1901 hour Change time-minute 1902 second 1903 First data 1904 Length of comm data 0=lcd,1=rs485-1,2=rs4 1905 Set position...
  • Page 69 2019 Record the number of 2020 Power on index this time power on Power on time-year 2021 month Power on time-day 2022 hour Power on 2023 time-minute second 2024- 2027 2028- 2031 2032- 2035 2036- ditto ditto 2039 2040- 2043 2044- 2047 2048-...
  • Page 70 2080- 2083 2084- reserve 2089 2090- ditto 2095 2100 Trip status 1 2101 Trip status 2 2102 Alarm status 1 2103 Alarm status 2 Action 1time-year 2104 month Action 1time-day 2105 hour Action 1time-minute 2106 second Fundamental wave bit0: fundamental wave switch、...
  • Page 71 Bit1 stop；Bit2 start； 2128 Motor status Bit3 run；Bit4 alarm 2129- Reserve 2149 2150- 2199 2200- 2249 2250- 2299 2300- ditto ditto 2349 2350- 2399 2400- 2449 2450- 2499 2500- Reserve 4999 Correspond value of 5000 custom address 1 Correspond value of As same as the 5001 custom address 2...

  • Page 72: Features And Functions

    9 Features and Functions 9.1 Permissions programmable Protector has perfect control authority programmable function, with permission for "1 in 2" or "1 in 3" use. When the control permission is "1 in 2 ", the user can define the control permission output 1 and output 2: either of the panel, communication, remote and native (both definitions are not repeatable).

  • Page 73: Examples Of Ordering

    At this time, the user only needs to send a read command to achieve all data read and write. 10、Examples of ordering Example: specific model: ARD2M-100/CP Technical requirements: motor power37KW Communication protocol:MODBUS RTU protocol；PROFIBUS protocol...
  • Page 74 Address: No.253 Yulv Road Jiading District, Shanghai，China TEL.: 0086-21-69158338 0086-21-69156052 0086-21-59156392 0086-21-69156971 Fax: 0086-21-69158303 Web-site: www.acrel-electric.com E-mail: ACREL008@vip.163.com Postcode: 201801 Manufacturer: Jiangsu Acrel Electrical Manufacturing Co., LTD. Address: No.5 Dongmeng Road,Dongmeng industrial Park, Nanzha Street,Jiangyin City,Jiangsu Province,China TEL./Fax: 0086-510-86179970 Web-site: www.jsacrel.com Postcode: 214405 E-mail: JY-ACREL001@vip.163.com...

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